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Chromatin Regulation Of Egfr Locus In Human Mammary Epithelial Cells
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Book Synopsis Chromatin Regulation of the EGFR Locus in Human Mammary Epithelial Cells by :
Download or read book Chromatin Regulation of the EGFR Locus in Human Mammary Epithelial Cells written by and published by . This book was released on 2006 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cell-Extracellularmatrix (ECM) adhesions structurally alter the cells as well as provide signals critical for the cell differentiation and tissue-specific gene transcription. We show showed that the ECM induce global deacetylation of his tones H3 and H4 in human breast epithelial cells and that this deacetylation correlated with a global reduction in gene expression. To determine how chromatin structure regulates differentiated gene expression in 3D culture we used mammary-specific case in genes as models. We identified that transcription factors Stat5 and CIEBP beta were regulated by ECM. Chromatinimmunoprecipitation(ChlP) assays demonstrated that levels of acetylated histones as well as binding of Stat5 and CIEBP betain the case inpromoters increased in response to ECM and prolactin treatment. However trichostatin A(TSA)-induced histoneacetylation failed to activate-case in expression suggesting that histoneacetylationis not sufficient for the gene transcription. Introduction of adominantnegative Brg 1 significantly reduced both beta-andgamma-casein expression indicating that ATP-depend entchromatinremodeling is required for transcription of these two milk proteingenes. Thus ECM-and prolactin-regulated transcription of the mammary-specific case in genes requires the concertedaction of histoneacetylation ATP-depend entchromatinre modeling and activation of transcription factors.
Book Synopsis Chromatin Regulation of EGFR Locus in Human Mammary Epithelial Cells by :
Download or read book Chromatin Regulation of EGFR Locus in Human Mammary Epithelial Cells written by and published by . This book was released on 2005 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: Relationship between chromatin remodeling and mammary tissue-specific gene transcription is not well understood. Using milk protein beta-casein as a marker, we investigate how extracellular matrix (ECM) and lactogenic hormone control transcription factors activity, and elucidate the role of histone acetylation and A P-dependent chromatin remodeling in the transcriptional regulation. By ChIP assays, we show that ECM cooperates with prolactin to induce binding of Stat5 and C/EBPBeta in the Beta-casein promoter. We also show that the levels of acetylated histones increase in the Beta-casein promoter. However, increasing acetylated histone levels in the promoter region by TSA treatment failed to induce Beta-casein expression, suggesting histone acetylation is not sufficient for the gene transcription. Introduction of the ATPase-deficient SWI/SNF complex significantly blocked Beta-casein expression, indicating that ATP-dependent chromatin remodeling is required for the transcriptional activation of this gene. Taken together, these observations indicate that Beta-casein expression requires the concerted action of both transcription and chromatin remodeling factors.
Book Synopsis The Effects of Signaling Through the EGF Receptor System Upon Regulation of Growth in Human Mammary Epithelial Cells by : Becky Worthylake
Download or read book The Effects of Signaling Through the EGF Receptor System Upon Regulation of Growth in Human Mammary Epithelial Cells written by Becky Worthylake and published by . This book was released on 1997 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: Previous reports showed that transactivation of the human epidermal growth factor receptor 2 (HER2) by epidermal growth factor (EGF) leads to the downregulation of HER2. This report presents evidence that overexpression of HER2 nearly abolished its downregulation. Unexpectedly, downregulation of the epidermal growth factor receptor (EGFR) was also inhibited by overexpression of HER2. This suggests that the EGFR and HER2 share a trafficking component which becomes limiting when HER2 is overexpressed. There are two trafficking steps which kinetic analyses predict to be regulated by a saturable component: internalization and lysosomal targeting. We show that the internalization rate of the EGFR is independent of the level of HER2 expression. Thus, we speculate that the molecule responsible for lysosomal targeting is shared between EGFR and HER2. Further, this implies that overexpression of one of the EGFR family members can cause misregulation of the receptors expressed at normal levels.
Book Synopsis Cancer Signaling by : Christoph Wagener
Download or read book Cancer Signaling written by Christoph Wagener and published by John Wiley & Sons. This book was released on 2016-08-12 with total page 357 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cancer, which has become the second-most prevalent health issue globally, is essentially a malfunction of cell signaling. Understanding how the intricate signaling networks of cells and tissues allow cancer to thrive - and how they can be turned into potent weapons against it - is the key to managing cancer in the clinic and improving the outcome of cancer therapies. In their ground-breaking textbook, the authors provide a compelling story of how cancer works on the molecular level, and how targeted therapies using kinase inhibitors and other modulators of signaling pathways can contain and eventually cure it. The first part of the book gives an introduction into the cell and molecular biology of cancer, focusing on the key mechanisms of cancer formation. The second part of the book introduces the main signaling transduction mechanisms responsible for carcinogenesis and compares their function in healthy versus cancer cells. In contrast to the complexity of its topic, the text is easy to read. 32 specially prepared teaching videos on key concepts and pathways in cancer signaling are available online for users of the print edition and have been integrated into the text in the enhanced e-book edition.
Book Synopsis The Role of High-Order Chromatin Organization in Gene Regulation by : Alexey V. Pindyurin
Download or read book The Role of High-Order Chromatin Organization in Gene Regulation written by Alexey V. Pindyurin and published by Frontiers Media SA. This book was released on 2022-11-11 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Molecular Biology of Prostate Cancer by : Manfred Wirth
Download or read book Molecular Biology of Prostate Cancer written by Manfred Wirth and published by Walter de Gruyter. This book was released on 2013-05-22 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis MicroRNAs in Cancer by : Cesar Lopez-Camarillo
Download or read book MicroRNAs in Cancer written by Cesar Lopez-Camarillo and published by CRC Press. This book was released on 2013-02-22 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt: MicroRNA (miRNA) biology is a cutting-edge topic in basic as well as biomedical research. This is a specialized book focusing on the current understanding of the role of miRNAs in the development, progression, invasion, and metastasis of diverse types of cancer. It also reviews their potential for applications in cancer diagnosis, prognosis, and th
Download or read book Breast Cancer written by Phuc Van Pham and published by BoD – Books on Demand. This book was released on 2017-04-05 with total page 570 pages. Available in PDF, EPUB and Kindle. Book excerpt: Breast Cancer - From Biology to Medicine thoroughly examines breast cancer from basic definitions, to cellular and molecular biology, to diagnosis and treatment. This book also has some additional focus on preclinical and clinical results in diagnosis and treatment of breast cancer. The book begins with introduction on epidemiology and pathophysiology of breast cancer in Section 1. In Section 2, the subsequent chapters introduce molecular and cellular biology of breast cancer with some particular signaling pathways, the gene expression, as well as the gene methylation and genomic imprinting, especially the existence of breast cancer stem cells. In Section 3, some new diagnostic methods and updated therapies from surgery, chemotherapy, hormone therapy, immunotherapy, radiotherapy, and some complementary therapies are discussed. This book provides a succinct yet comprehensive overview of breast cancer for advanced students, graduate students, and researchers as well as those working with breast cancer in a clinical setting.
Book Synopsis Cutaneous Wound Healing by : Vincent Falanga
Download or read book Cutaneous Wound Healing written by Vincent Falanga and published by CRC Press. This book was released on 2001-08-23 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gene therapy, bioengineered skin, and other methods in advanced biology are revolutionizing the treatment of wounds. Written by experts in research and clinical practice, Cutaneous Wound Healing examines the current knowledge and emerging treatment methods. This volume explains the normal molecular and cellular functions that occur when a wound heals, as well as dysfunctional events, such as a chronic wound or an ulcer. Such dysfunctions signal an imbalance in the body, explained here along with possible treatments. The book's mini-atlas is an indispensable reference tool. Dermatologists, plastic surgeons, and general practitioners can benefit from this text.
Book Synopsis The Epstein-Barr Virus by : M. A. Epstein
Download or read book The Epstein-Barr Virus written by M. A. Epstein and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 467 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Epstein-Barr virus was discovered 15 years ago. Since that time an immense body of information has been accumu lated on this agent which has come to assume great signifi cance in many different fields of biological science. Thus, the virus has very special relevance in human medicine and oncology, in tumor virology, in immunology, and in mole cular virology, since it is the cause of infectious mononu cleosis and also the first human cancer virus, etiologically related to endemic Burkitt's lymphoma and probably to nasopharyngeal carcinoma. In addition, continuous human lymphoid cell lines initiated and maintained by the transform ing function of the virus genome provide a laboratory tool with wide and ever-growing applications. Innumerable papers on the Epstein-Barr virus have ap peared over recent years and reports of work with this agent now constitute a veritable flood. The present book provides the first and only comprehensive, authoritative over-view of all aspects of the virus by authors who have been the original and major contributors in their particular disciplines. A complete and up-to-date survey of this unique and important agent is thus provided which should be of great interest to experts, teachers, and students engaged in cancer research, virology, immunology, molecular biology, epide miology, and cell culture. Where topics have been dealt with from more than one of these viewpoints, some inevitable overlap and duplication has resulted; although this has been kept to a minimum, it has been retained in some places because of positive usefulness.
Book Synopsis Systems Biology of Cancer by : Sam Thiagalingam
Download or read book Systems Biology of Cancer written by Sam Thiagalingam and published by Cambridge University Press. This book was released on 2015-04-09 with total page 597 pages. Available in PDF, EPUB and Kindle. Book excerpt: An overview of the current systems biology-based knowledge and the experimental approaches for deciphering the biological basis of cancer.
Download or read book Human Herpesviruses written by Ann Arvin and published by Cambridge University Press. This book was released on 2007-08-16 with total page 1325 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive account of the human herpesviruses provides an encyclopedic overview of their basic virology and clinical manifestations. This group of viruses includes human simplex type 1 and 2, Epstein–Barr virus, Kaposi's Sarcoma-associated herpesvirus, cytomegalovirus, HHV6A, 6B and 7, and varicella-zoster virus. The viral diseases and cancers they cause are significant and often recurrent. Their prevalence in the developed world accounts for a major burden of disease, and as a result there is a great deal of research into the pathophysiology of infection and immunobiology. Another important area covered within this volume concerns antiviral therapy and the development of vaccines. All these aspects are covered in depth, both scientifically and in terms of clinical guidelines for patient care. The text is illustrated generously throughout and is fully referenced to the latest research and developments.
Download or read book Cumulated Index Medicus written by and published by . This book was released on 2000 with total page 1808 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Epigenetics of Aging by : Trygve O. Tollefsbol
Download or read book Epigenetics of Aging written by Trygve O. Tollefsbol and published by Springer Science & Business Media. This book was released on 2009-11-11 with total page 462 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent studies have indicated that epigenetic processes may play a major role in both cellular and organismal aging. These epigenetic processes include not only DNA methylation and histone modifications, but also extend to many other epigenetic mediators such as the polycomb group proteins, chromosomal position effects, and noncoding RNA. The topics of this book range from fundamental changes in DNA methylation in aging to the most recent research on intervention into epigenetic modifications to modulate the aging process. The major topics of epigenetics and aging covered in this book are: 1) DNA methylation and histone modifications in aging; 2) Other epigenetic processes and aging; 3) Impact of epigenetics on aging; 4) Epigenetics of age-related diseases; 5) Epigenetic interventions and aging: and 6) Future directions in epigenetic aging research. The most studied of epigenetic processes, DNA methylation, has been associated with cellular aging and aging of organisms for many years. It is now apparent that both global and gene-specific alterations occur not only in DNA methylation during aging, but also in several histone alterations. Many epigenetic alterations can have an impact on aging processes such as stem cell aging, control of telomerase, modifications of telomeres, and epigenetic drift can impact the aging process as evident in the recent studies of aging monozygotic twins. Numerous age-related diseases are affected by epigenetic mechanisms. For example, recent studies have shown that DNA methylation is altered in Alzheimer’s disease and autoimmunity. Other prevalent diseases that have been associated with age-related epigenetic changes include cancer and diabetes. Paternal age and epigenetic changes appear to have an effect on schizophrenia and epigenetic silencing has been associated with several of the progeroid syndromes of premature aging. Moreover, the impact of dietary or drug intervention into epigenetic processes as they affect normal aging or age-related diseases is becoming increasingly feasible.
Book Synopsis Magnesium in the Central Nervous System by : Robert Vink
Download or read book Magnesium in the Central Nervous System written by Robert Vink and published by University of Adelaide Press. This book was released on 2011 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt: The brain is the most complex organ in our body. Indeed, it is perhaps the most complex structure we have ever encountered in nature. Both structurally and functionally, there are many peculiarities that differentiate the brain from all other organs. The brain is our connection to the world around us and by governing nervous system and higher function, any disturbance induces severe neurological and psychiatric disorders that can have a devastating effect on quality of life. Our understanding of the physiology and biochemistry of the brain has improved dramatically in the last two decades. In particular, the critical role of cations, including magnesium, has become evident, even if incompletely understood at a mechanistic level. The exact role and regulation of magnesium, in particular, remains elusive, largely because intracellular levels are so difficult to routinely quantify. Nonetheless, the importance of magnesium to normal central nervous system activity is self-evident given the complicated homeostatic mechanisms that maintain the concentration of this cation within strict limits essential for normal physiology and metabolism. There is also considerable accumulating evidence to suggest alterations to some brain functions in both normal and pathological conditions may be linked to alterations in local magnesium concentration. This book, containing chapters written by some of the foremost experts in the field of magnesium research, brings together the latest in experimental and clinical magnesium research as it relates to the central nervous system. It offers a complete and updated view of magnesiums involvement in central nervous system function and in so doing, brings together two main pillars of contemporary neuroscience research, namely providing an explanation for the molecular mechanisms involved in brain function, and emphasizing the connections between the molecular changes and behavior. It is the untiring efforts of those magnesium researchers who have dedicated their lives to unraveling the mysteries of magnesiums role in biological systems that has inspired the collation of this volume of work.
Book Synopsis Oxford Textbook of Oncology by : David J. Kerr
Download or read book Oxford Textbook of Oncology written by David J. Kerr and published by Oxford University Press. This book was released on 2016-01-28 with total page 2837 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written and edited by internationally recognised leaders in the field, the new edition of the Oxford Textbook of Oncology has been fully revised and updated, taking into consideration the advancements in each of the major therapeutic areas, and representing the multidisciplinary management of cancer. Structured in six sections, the book provides an accessible scientific basis to the key topics of oncology, examining how cancer cells grow and function, as well as discussing the aetiology of cancer, and the general principles governing modern approaches to oncology treatment. The book examines the challenges presented by the treatment of cancer on a larger scale within population groups, and the importance of recognising and supporting the needs of individual patients, both during and after treatment. A series of disease-oriented, case-based chapters, ranging from acute leukaemia to colon cancer, highlight the various approaches available for managing the cancer patient, including the translational application of cancer science in order to personalise treatment. The advice imparted in these cases has relevance worldwide, and reflects a modern approach to cancer care. The Oxford Textbook of Oncology provides a comprehensive account of the multiple aspects of best practice in the discipline, making it an indispensable resource for oncologists of all grades and subspecialty interests.
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 1998 with total page 790 pages. Available in PDF, EPUB and Kindle. Book excerpt:
